Play mat



FIG. 1 is a top plan view of a play mat showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is another end elevational view thereof;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a play mat, as shown and described. 